Xeon E3-1225 v5 3.3GHz Quad-Core (Tray)
3.3GHz 4-Core - 4 Threads - 3.7GHz Turbo - Socket LGA 1151 / H4 - 1-Way SMP - Supports DDR3L-1600/DDR4-2133 Memory - 4 x 256KB L2 Cache - 8MB L3 Cache - Intel HD Graphics P530 400-1150MHz Integrated GPU - 80W TDP - Intel VT-x / VT-d Virtualization - Skylake-DT 14nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty

Xeon E5-2603 1.8GHz Quad-Core (Tray)
1.8GHz 4-Core - 4 Threads - Socket LGA 2011 / R - 2-Way SMP - Supports DDR3-1066 Memory - 4 x 256KB L2 Cache - 10MB L3 Cache - 80W TDP - Intel VT-x / VT-d / VT-c Virtualization - Sandy Bridge-EP 32nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty

Xeon E7-8894 v4 2.4GHz 24-Core (Tray)
2.4GHz 24-Core - 48 Threads - 3.4GHz Turbo - Socket LGA 2011-1 / R2 - 8-Way SMP - Supports DDR3-1600/DDR4-1866 Memory - 24 x 256KB L2 Cache - 60MB L3 Cache - 165W TDP - Intel VT-x / VT-d Virtualization - Broadwell-EX 14nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty

Xeon E5-4627 v4 2.6GHz Ten-Core (Tray)
2.6GHz 10-Core - 10 Threads - 3.2GHz Turbo - Socket LGA 2011-v3 / R3 - 4-Way SMP - Supports DDR4-2133 Memory - 10 x 256KB L2 Cache - 25MB L3 Cache - 135W TDP - Intel VT-x / VT-d Virtualization - Broadwell-EP 14nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty

Xeon E5-1660 3.3GHz 6-Core S2011 130W CPU (Tray)
3.3GHz 6-Core - 12 Threads - 3.9GHz Turbo - Socket LGA 2011 / R - 1-Way SMP - Supports DDR3-1600 Memory - 6 x 256KB L2 Cache - 15MB L3 Cache - 130W TDP - Intel VT-x / VT-d / VT-c Virtualization - Sandy Bridge-EP 32nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty

Xeon E5420 2.5GHz S771 w/o Fan
Xeon E5420 2.5GHz Quad-Core Socket 771 (Dual-Processor) - 1333MHz FSB - 2x6MB L2 Cache - Intel64 - Intel Virtualization Technology (VT-x) - 80W TDP - Retail Box w/ Passive Heatsink - Socket LGA 771 / J

Xeon E5420 2.5GHz Quad-Core (Tray)
2.5GHz 4-Core - 4 Threads - Socket LGA 771 / J - 2-Way SMP - 2 x 6MB L2 Cache - 80W TDP - Intel VT-x Virtualization - Harpertown 45nm - OEM/TRAY w/o Heatsink & Fan - No Mfg. Warranty